[英]PJSUA2 - Python - How to handle callbacks and createRecorder?
在通過PJSIP庫網站提供的pygui代碼后,我修改了如下例子。 我有兩個問題
在每個回調函數中,最后我需要添加一個虛擬引發異常,否則它會行為異常。 例如,如果我評論onIncomingCall的虛擬異常,則來電將因500錯誤而斷開連接。 在pyGUI中,它看起來像ttk.master.after()扮演關鍵角色。 正如我在一個無頭服務器(僅意味着cli)中嘗試它,不知道如何處理它?
當我嘗試createRecorder獲取以下錯誤時:
回溯(最近一次調用最后一次):文件“pjsua2_cli_demo.py”,第33行,在onCallState self.recorder.createRecorder('xxxxxxxxxxx / PJSUA2 / example / pygui / file.wav'); 文件“xxxxxxxxxxx / .local / lib / python3.6 / site-packages / pjsua2.py”,第4110行,在createRecorder中返回_pjsua2.AudioMediaRecorder_createRecorder(self,file_name,enc_type,max_size,options)NotImplementedError:參數的數量或類型錯誤對於重載函數'AudioMediaRecorder_createRecorder'。 可能的C / C ++原型是:pj :: AudioMediaRecorder :: createRecorder(pj :: string const&,unsigned int,pj_ssize_t,unsigned int)pj :: AudioMediaRecorder :: createRecorder(pj :: string const&,unsigned int,pj_ssize_t) pj :: AudioMediaRecorder :: createRecorder(pj :: string const&,unsigned int)pj :: AudioMediaRecorder :: createRecorder(pj :: string const&)
實際修改代碼:
import pjsua2 as pj
import time
# Subclass to extend the Account and get notifications etc.
ep=None
# Call class
class Call(pj.Call):
"""
High level Python Call object, derived from pjsua2's Call object.
"""
def __init__(self, acc, peer_uri='', chat=None, call_id = pj.PJSUA_INVALID_ID):
pj.Call.__init__(self, acc, call_id)
self.acc = acc
self.aud_med=pj.AudioMedia
def onCallState(self, prm):
ci = self.getInfo()
self.connected = ci.state == pj.PJSIP_INV_STATE_CONFIRMED
self.recorder=None
if(self.connected ==True):
player=pj.AudioMediaPlayer()
#Play welcome message
player.createPlayer('xxxxxxxxxxxxxx/PJSUA2/example/pygui/welcomeFull.wav');
self.recorder=pj.AudioMediaRecorder()
self.recorder.createRecorder('xxxxxxxxxxx/PJSUA2/example/pygui/file.wav', enc_type=0, max_size=0, options=0);
i=0
for media in ci.media:
if (media.type == pj.PJMEDIA_TYPE_AUDIO):
self.aud_med = self.getMedia(i);
break;
i=i+1;
if self.aud_med!=None:
# This will connect the sound device/mic to the call audio media
mym= pj.AudioMedia.typecastFromMedia(self.aud_med)
player.startTransmit( mym);
#mym.startTransmit( self.recorder);
if(ci.state==pj.PJSIP_INV_STATE_DISCONNECTED):
print(">>>>>>>>>>>>>>>>>>>>>>> Call disconnected")
#mym= pj.AudioMedia.typecastFromMedia(self.aud_med)
#mym.stopTransmit(self.recorder);
raise Exception('onCallState done!')
if self.chat:
self.chat.updateCallState(self, ci)
def onCallMediaState(self, prm):
ci = self.getInfo()
for mi in ci.media:
if mi.type == pj.PJMEDIA_TYPE_AUDIO and \
(mi.status == pj.PJSUA_CALL_MEDIA_ACTIVE or \
mi.status == pj.PJSUA_CALL_MEDIA_REMOTE_HOLD):
if mi.status == pj.PJSUA_CALL_MEDIA_REMOTE_HOLD and not self.onhold:
self.chat.addMessage(None, "'%s' sets call onhold" % (self.peerUri))
self.onhold = True
elif mi.status == pj.PJSUA_CALL_MEDIA_ACTIVE and self.onhold:
self.chat.addMessage(None, "'%s' sets call active" % (self.peerUri))
self.onhold = False
raise Exception('onCallMediaState done!')
class Account(pj.Account):
def onRegState(self, prm):
print ("***OnRegState: " + prm.reason)
def onIncomingCall(self, prm):
c = Call(self, call_id=prm.callId)
call_prm = pj.CallOpParam()
call_prm.statusCode = 180
c.answer(call_prm)
ci = c.getInfo()
msg = "Incoming call from '%s'" % (ci.remoteUri)
print(msg)
call_prm.statusCode = 200
c.answer(call_prm)
raise Exception('onIncomingCall done!')
# pjsua2 test function
def pjsua2_test():
# Create and initialize the library
ep_cfg = pj.EpConfig()
ep_cfg.uaConfig.threadCnt = 0
ep_cfg.uaConfig.mainThreadOnly = False
ep = pj.Endpoint()
ep.libCreate()
ep.libInit(ep_cfg)
# Create SIP transport. Error handling sample is shown
sipTpConfig = pj.TransportConfig();
sipTpConfig.port = 12345;
tp=ep.transportCreate(pj.PJSIP_TRANSPORT_UDP, sipTpConfig);
# Start the library
ep.libStart();
acfg = pj.AccountConfig();
acfg.idUri = "sip:192.168.1.11:12345";
# Create the account
acc = Account();
acc.create(acfg)
while True:
ep.libHandleEvents(10)
ep.libDestroy()
del ep;
#
# main()
#
if __name__ == "__main__":
pjsua2_test()
在編譯pjsua swig之前,在pjsip-apps / src / swig文件夾中將以下行添加到pjsua2.i
%inline %{
pj_ssize_t new_pj_ssize_t(int s) {
return (pj_ssize_t) s;
}
%}
使用此額外函數,您可以使用pj_ssize_t類型創建變量並將其傳遞給createRecorder函數。
max_size=pj.new_pj_ssize_t(0)
recorder.createRecorder(file_to_record, max_size=max_size)
基於此討論的解決方法
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